Process for the manufacture of cyanid of potassium or sodium.



No: 871,948. PATENTED NOV. 26, 1907.

F. W. MORRIS. PROCESS FOR THE MANUFACTURE OF OYANID OP POTASSIUM OR SODIUM APPLICATION FILED DEG-2B. 1906.

ATTORNEY electric circuit.

FRANK \Y. MCWIHS, or Y PROCESS FOR THE ZVIAIJ'I'JEM',

Be it known t citizen of the Do at Victoria, in tl lumbizi, Canada, hm: useful .llnipro'voniont i Manufacture of m i (liurn, of which the iollowing till and (2011- lower oncl of twin. I A :1 rwroivor 13 This invention relates to :m ,vlw 50th.. or caustic prooess for the nroc uciiorroi' 932m l. w ii! ii; produced tassmni or of sod um 'lvsrriliorl a c- The process 18 hilly (lob, i V formalin is ing specification reference, In l'lw Ulzflfi rol i g0. drawings by which it an 'r mluvlion ol' lilO h riwx'zinio acid represent specific parts :1, or pom-n1 in the receiver sulted to the przwnss, but in the formation of iii-o potassium tempt is IntMlr": to SllUW pin-lion, ilium cranial as the mar may he, construction. l in an npproroil manner and In those drawings, Figure roiluot. section of the eloci'ror lic l v omniil ho zrtnhv- Whichtho ii; t mrt oi ll PUEHTO 1 Y(ll"\)( fft1 it? zhliil 3112b, be (10113 and Fig. 2 an tlkJYztliOYl of rho l drittvil ii: an rrpp HLl. mnnLm-v T orv iolivdenser such as may be user, ryi'riloihr rviri-iw llioonthr xiii thrmustic stage. lior mnrstiu poi In Fig. 1, 2 represents Hi (iPrHililDNl 'my 01 cell of that particular ii tha What .i claim Costner Kellnor in which 7 i, pi-itoutvd in by Letvided by a partition into two ments 4 and The compur'rr 0 .otion of :royaare connected by a pansi. v :ting: in tho f0rlower part of the purlition 3 which i clout roiytio action sealed against admixture of the (a in iiii nwtztl, subthe compzn'tnmnts b) wholly ol'nii r ihanlv Jwulr; lliv lormiv noiil to Both m artnwnt oi the; a imim :1=l\1 i 'iJi 1i!l i'-:.nmlr-, iml irmting said charged with a. solniion of 11 fo -om" i l'oinmlo to obtain jr mir maid and tho of one of the alkali morals, ,wlm' inr- {1 hydrate or sium, which forms the oloriroi; these compartments is 1th :mo "aim-tin ol' :1, Gym

in the other a Kathozio pinto 7 teriztl and they are comm-too the positive and no riivu l\- V ()n :71. vurrmil ,fl througl'i the (loot ol i'to 1 ho lo' up and formic zu-iil is [H'OlllliH it partmont 4 of the zllmili; llliii in:

lormuil n:

soils? 1 and-hydrogen in the compzu' nn l'orn- My rh-nor wwmting cathode. 1L ul .1 l: ii I); :r-lz or an mid ol an When the ulizmgv in tho ulmrl completed the (@1111 I wwi ii-lion of uy'nniil l'orinioauiilisnuulz'ali' iiw i-zmximioju ol' suitablemmnoniums; Mimi ammonium l'oz'n nuito thus pro-ll U0 tank and is 0mm 01' Just to the point rapidly distilling the crystalsand condensing the vapor thereof to form hydrocyanic acid,

acid into a formate, then evaporating said formats to crystallize the same substantially as specified.

5. Aprocess of the class described consisting in simultaneously generating formic acid and caustic soda in an electrolytic apparatus, maintaining the formic acid separated from the caustic soda, then converting the formic aci'l into a formats, then evaporating said format to crystallize the same, then heating such. crystals to the decomposition or breaking-up point substantially as specified.

6. A process of the class described consisting in simultaneously generating formic acid and caustic soda in an electrolytic apparatus, maintaining the formic acid separated from the caustic soda, then converting the formic acid into a formats, then evaporating said formate'to crystallize the same, then heating such cry tals to the decomposition or breaking-up point, then condensing the resultant product substantially specified.

" 7, A process of the class described consisting in simultaneously generating formic acid a? was and caustic soda in an electrolytic apparatus, maintaimng the formic 'acld separated from the caustic soda, then converting the formic acid into a formate, then evaporating said formate to crystallize the same, then heating such crystals to the decomposition or breaking-up point, then condensing the resultant product, then passing such condensed product into the caustic compound of an alkali metal to produce the cyanid of such alkali metal, substantially as specified.

8. A process of the class described consisting in simultaneously generating formic acid and caustic 'soda in an electrolytic apparatus, maintaining the formic acid separated from the caustic soda, then converting the formic acid into a formats, then evaporating said formate to crystallize the same, then heating such crystals to the decomposition or breaking-uppoint, then condensing the resultant product, then passing such condensed prodnot into the caustic compound of an alkali metal to produce the cyanid of such alkali metal, then drying the same, substantially as specified. 1

In testimony whereof I have signed. my name to this specification in the presence of two subscribing Witnesses.

FRANK W. MORRIS.

/Vitnesses JOHN B. BUNKER, J. J. BAIRD. 

